Academic Career
. Ph.D. (Statistics), University of
Chicago, 1967. . Assistant Professor of
Statistics, University of California at Berkeley,
1967-1972. . Associate Professor of
Mathematics, University of Arizona, 1972-1977. . Professor of Mathematics,
University of Arizona, 1977-1982. . Professor of Mathematics,
Indiana University, 1982-2002. . Professor of Mathematics,
University of Arizona, 2002-Present.